Well here's my first one for today. The Lichen Dragon. Really simple to breed, I don't think you can go wrong, I've already made a couple of these.
Cold + Plant = Lichen Dragon
Now in my case I used Cold dragon on the left and a Reindeer dragon on the right, gave me the Lichen each time I tried :)
If you want to add me in the game my gamecenter name is prplrush. Feel free to follow my blog for more updates via google friend connect. (right below this post) and google + this post